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Diffstat (limited to 'src/pkg/runtime/sys_netbsd_386.s')
-rw-r--r--src/pkg/runtime/sys_netbsd_386.s220
1 files changed, 112 insertions, 108 deletions
diff --git a/src/pkg/runtime/sys_netbsd_386.s b/src/pkg/runtime/sys_netbsd_386.s
index 11f8c7aaa..3d3d31273 100644
--- a/src/pkg/runtime/sys_netbsd_386.s
+++ b/src/pkg/runtime/sys_netbsd_386.s
@@ -12,14 +12,14 @@
TEXT runtime·exit(SB),7,$-4
MOVL $1, AX
INT $0x80
- MOVL $0xf1, 0xf1 // crash
+ MOVL $0xf1, 0xf1 // crash
RET
TEXT runtime·exit1(SB),7,$-4
- MOVL $302, AX // sys_threxit
+ MOVL $310, AX // sys__lwp_exit
INT $0x80
JAE 2(PC)
- MOVL $0xf1, 0xf1 // crash
+ MOVL $0xf1, 0xf1 // crash
RET
TEXT runtime·write(SB),7,$-4
@@ -27,31 +27,32 @@ TEXT runtime·write(SB),7,$-4
INT $0x80
RET
-TEXT runtime·usleep(SB),7,$20
+TEXT runtime·usleep(SB),7,$24
MOVL $0, DX
MOVL usec+0(FP), AX
MOVL $1000000, CX
DIVL CX
- MOVL AX, 12(SP) // tv_sec
+ MOVL AX, 12(SP) // tv_sec - l32
+ MOVL $0, 16(SP) // tv_sec - h32
MOVL $1000, AX
MULL DX
- MOVL AX, 16(SP) // tv_nsec
+ MOVL AX, 20(SP) // tv_nsec
MOVL $0, 0(SP)
LEAL 12(SP), AX
MOVL AX, 4(SP) // arg 1 - rqtp
MOVL $0, 8(SP) // arg 2 - rmtp
- MOVL $240, AX // sys_nanosleep
+ MOVL $430, AX // sys_nanosleep
INT $0x80
RET
TEXT runtime·raisesigpipe(SB),7,$12
- MOVL $299, AX // sys_getthrid
+ MOVL $311, AX // sys__lwp_self
INT $0x80
MOVL $0, 0(SP)
- MOVL AX, 4(SP) // arg 1 - pid
- MOVL $13, 8(SP) // arg 2 - signum == SIGPIPE
- MOVL $37, AX // sys_kill
+ MOVL AX, 4(SP) // arg 1 - target
+ MOVL $13, 8(SP) // arg 2 - signo == SIGPIPE
+ MOVL $318, AX // sys__lwp_kill
INT $0x80
RET
@@ -67,7 +68,7 @@ TEXT runtime·mmap(SB),7,$36
MOVL $0, AX
STOSL // arg 6 - pad
MOVSL // arg 7 - offset
- MOVL $0, AX // top 64 bits of file offset
+ MOVL $0, AX // top 32 bits of file offset
STOSL
MOVL $197, AX // sys_mmap
INT $0x80
@@ -79,60 +80,100 @@ TEXT runtime·munmap(SB),7,$-4
MOVL $73, AX // sys_munmap
INT $0x80
JAE 2(PC)
- MOVL $0xf1, 0xf1 // crash
+ MOVL $0xf1, 0xf1 // crash
+ RET
+
+TEXT runtime·madvise(SB),7,$-4
+ MOVL $75, AX // sys_madvise
+ INT $0x80
+ // ignore failure - maybe pages are locked
RET
TEXT runtime·setitimer(SB),7,$-4
- MOVL $83, AX
+ MOVL $425, AX // sys_setitimer
INT $0x80
RET
// func now() (sec int64, nsec int32)
TEXT time·now(SB), 7, $32
- MOVL $116, AX
LEAL 12(SP), BX
- MOVL BX, 4(SP)
- MOVL $0, 8(SP)
+ MOVL $0, 4(SP) // arg 1 - clock_id
+ MOVL BX, 8(SP) // arg 2 - tp
+ MOVL $427, AX // sys_clock_gettime
INT $0x80
- MOVL 12(SP), AX // sec
- MOVL 16(SP), BX // usec
- // sec is in AX, usec in BX
+ MOVL 12(SP), AX // sec - l32
MOVL AX, sec+0(FP)
- MOVL $0, sec+4(FP)
- IMULL $1000, BX
+ MOVL 16(SP), AX // sec - h32
+ MOVL AX, sec+4(FP)
+
+ MOVL 20(SP), BX // nsec
MOVL BX, nsec+8(FP)
RET
// int64 nanotime(void) so really
// void nanotime(int64 *nsec)
TEXT runtime·nanotime(SB),7,$32
- MOVL $116, AX
LEAL 12(SP), BX
- MOVL BX, 4(SP)
- MOVL $0, 8(SP)
+ MOVL $0, 4(SP) // arg 1 - clock_id
+ MOVL BX, 8(SP) // arg 2 - tp
+ MOVL $427, AX // sys_clock_gettime
INT $0x80
- MOVL 12(SP), AX // sec
- MOVL 16(SP), BX // usec
-
- // sec is in AX, usec in BX
- // convert to DX:AX nsec
- MOVL $1000000000, CX
- MULL CX
- IMULL $1000, BX
+
+ MOVL 16(SP), CX // sec - h32
+ IMULL $1000000000, CX
+
+ MOVL 12(SP), AX // sec - l32
+ MOVL $1000000000, BX
+ MULL BX // result in dx:ax
+
+ MOVL 20(SP), BX // nsec
ADDL BX, AX
- ADCL $0, DX
-
+ ADCL CX, DX // add high bits with carry
+
MOVL ret+0(FP), DI
MOVL AX, 0(DI)
MOVL DX, 4(DI)
RET
-TEXT runtime·sigaction(SB),7,$-4
- MOVL $46, AX // sys_sigaction
+TEXT runtime·getcontext(SB),7,$-4
+ MOVL $307, AX // sys_getcontext
+ INT $0x80
+ JAE 2(PC)
+ MOVL $0xf1, 0xf1 // crash
+ RET
+
+TEXT runtime·sigprocmask(SB),7,$-4
+ MOVL $293, AX // sys_sigprocmask
+ INT $0x80
+ JAE 2(PC)
+ MOVL $0xf1, 0xf1 // crash
+ RET
+
+TEXT runtime·sigreturn_tramp(SB),7,$0
+ LEAL 140(SP), AX // Load address of ucontext
+ MOVL AX, 4(SP)
+ MOVL $308, AX // sys_setcontext
+ INT $0x80
+ MOVL $-1, 4(SP) // Something failed...
+ MOVL $1, AX // sys_exit
+ INT $0x80
+
+TEXT runtime·sigaction(SB),7,$24
+ LEAL arg0+0(FP), SI
+ LEAL 4(SP), DI
+ CLD
+ MOVSL // arg 1 - sig
+ MOVSL // arg 2 - act
+ MOVSL // arg 3 - oact
+ LEAL runtime·sigreturn_tramp(SB), AX
+ STOSL // arg 4 - tramp
+ MOVL $2, AX
+ STOSL // arg 5 - vers
+ MOVL $340, AX // sys___sigaction_sigtramp
INT $0x80
JAE 2(PC)
- MOVL $0xf1, 0xf1 // crash
+ MOVL $0xf1, 0xf1 // crash
RET
TEXT runtime·sigtramp(SB),7,$44
@@ -141,13 +182,16 @@ TEXT runtime·sigtramp(SB),7,$44
// check that m exists
MOVL m(CX), BX
CMPL BX, $0
- JNE 2(PC)
+ JNE 5(PC)
+ MOVL signo+0(FP), BX
+ MOVL BX, 0(SP)
CALL runtime·badsignal(SB)
+ RET
// save g
MOVL g(CX), DI
MOVL DI, 20(SP)
-
+
// g = m->gsignal
MOVL m_gsignal(BX), BX
MOVL BX, g(CX)
@@ -167,67 +211,24 @@ TEXT runtime·sigtramp(SB),7,$44
get_tls(CX)
MOVL 20(SP), BX
MOVL BX, g(CX)
-
- // call sigreturn
- MOVL context+8(FP), AX
- MOVL $0, 0(SP) // syscall gap
- MOVL AX, 4(SP) // arg 1 - sigcontext
- MOVL $103, AX // sys_sigreturn
- INT $0x80
- MOVL $0xf1, 0xf1 // crash
RET
-// int32 rfork_thread(int32 flags, void *stack, M *m, G *g, void (*fn)(void));
-TEXT runtime·rfork_thread(SB),7,$8
- MOVL flags+8(SP), AX
- MOVL stack+12(SP), CX
-
- // Copy m, g, fn off parent stack for use by child.
- SUBL $16, CX
- MOVL mm+16(SP), SI
- MOVL SI, 0(CX)
- MOVL gg+20(SP), SI
- MOVL SI, 4(CX)
- MOVL fn+24(SP), SI
- MOVL SI, 8(CX)
- MOVL $1234, 12(CX)
- MOVL CX, SI
-
- MOVL $0, 0(SP) // syscall gap
- MOVL AX, 4(SP) // arg 1 - flags
- MOVL $251, AX // sys_rfork
+// int32 lwp_create(void *context, uintptr flags, void *lwpid);
+TEXT runtime·lwp_create(SB),7,$16
+ MOVL $0, 0(SP)
+ MOVL context+0(FP), AX
+ MOVL AX, 4(SP) // arg 1 - context
+ MOVL flags+4(FP), AX
+ MOVL AX, 8(SP) // arg 2 - flags
+ MOVL lwpid+8(FP), AX
+ MOVL AX, 12(SP) // arg 3 - lwpid
+ MOVL $309, AX // sys__lwp_create
INT $0x80
-
- // Return if rfork syscall failed
- JCC 4(PC)
+ JCC 2(PC)
NEGL AX
- MOVL AX, 48(SP)
RET
- // In parent, return.
- CMPL AX, $0
- JEQ 3(PC)
- MOVL AX, 48(SP)
- RET
-
- // In child, on new stack.
- MOVL SI, SP
-
- // Paranoia: check that SP is as we expect.
- MOVL 12(SP), BP
- CMPL BP, $1234
- JEQ 2(PC)
- INT $3
-
- // Reload registers
- MOVL 0(SP), BX // m
- MOVL 4(SP), DX // g
- MOVL 8(SP), SI // fn
-
- // Initialize m->procid to thread ID
- MOVL $299, AX // sys_getthrid
- INT $0x80
- MOVL AX, m_procid(BX)
+TEXT runtime·lwp_tramp(SB),7,$0
// Set FS to point at m->tls
LEAL m_tls(BX), BP
@@ -236,7 +237,7 @@ TEXT runtime·rfork_thread(SB),7,$8
CALL runtime·settls(SB)
POPL AX
POPAL
-
+
// Now segment is established. Initialize m, g.
get_tls(AX)
MOVL DX, g(AX)
@@ -259,7 +260,7 @@ TEXT runtime·rfork_thread(SB),7,$8
RET
TEXT runtime·sigaltstack(SB),7,$-8
- MOVL $288, AX // sys_sigaltstack
+ MOVL $281, AX // sys___sigaltstack14
MOVL new+4(SP), BX
MOVL old+8(SP), CX
INT $0x80
@@ -277,30 +278,33 @@ TEXT runtime·setldt(SB),7,$8
TEXT runtime·settls(SB),7,$16
// adjust for ELF: wants to use -8(GS) and -4(GS) for g and m
- MOVL 20(SP), CX
+ MOVL base+0(FP), CX
ADDL $8, CX
- MOVL CX, 0(CX)
MOVL $0, 0(SP) // syscall gap
- MOVL $9, 4(SP) // I386_SET_GSBASE (machine/sysarch.h)
- MOVL CX, 8(SP) // pointer to base
- MOVL $165, AX // sys_sysarch
+ MOVL CX, 4(SP) // arg 1 - ptr
+ MOVL $317, AX // sys__lwp_setprivate
INT $0x80
JCC 2(PC)
- MOVL $0xf1, 0xf1 // crash
+ MOVL $0xf1, 0xf1 // crash
RET
TEXT runtime·osyield(SB),7,$-4
- MOVL $298, AX // sys_sched_yield
+ MOVL $350, AX // sys_sched_yield
+ INT $0x80
+ RET
+
+TEXT runtime·lwp_park(SB),7,$-4
+ MOVL $434, AX // sys__lwp_park
INT $0x80
RET
-TEXT runtime·thrsleep(SB),7,$-4
- MOVL $300, AX // sys_thrsleep
+TEXT runtime·lwp_unpark(SB),7,$-4
+ MOVL $321, AX // sys__lwp_unpark
INT $0x80
RET
-TEXT runtime·thrwakeup(SB),7,$-4
- MOVL $301, AX // sys_thrwakeup
+TEXT runtime·lwp_self(SB),7,$-4
+ MOVL $311, AX // sys__lwp_self
INT $0x80
RET
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-09 06:11:38 +0000